<template>
    <div class="loading_container">
        <div class="load_img" :style="{backgroundPositionY: -(positionY%7)*2.5 + 'rem'}">
        </div>
        <svg class="load_ellipse" xmlns="http://www.w3.org/2000/svg" version="1.1">
            <ellipse cx="26" cy="10" rx="26" ry="10" style="fill:#ddd;stroke:none;"></ellipse>
        </svg>
    </div>
</template>

<script>
    export default {
        data(){
        return{
            positionY: 0,
            timer: null,
        }
    },
    mounted(){
        this.timer = setInterval(() => {
            this.positionY ++;
        }, 600)
    },
    beforeDestroy(){
        clearInterval(this.timer);
    }
    }
</script>

<style lang="scss" scoped>
    @import '../../assets/css/minxins/mixins2';
    @keyframes load{
        0%   {transform: translateY(0px);}
        50%  {transform: translateY(-50px);}
        100% {transform: translateY(0px);}
    }
    @keyframes ellipse{
        0%   {transform: scale(1);}
        50%  {transform: scale(0.3);}
        100% {transform: scale(1);}
    }
    .loading_container{
        position: fixed;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
    @include wh(2.5rem, 2.5rem);
    }
    .load_img{
    @include wh(100%, 100%);
        background: url(../../images/icon_loading.png) no-repeat 0 0;
        background-size: 2.5rem auto;
        transform: translateY(0px);
        animation: load .6s infinite ease-in-out;
        position: relative;
        z-index: 11;
    }
    .load_ellipse{
        position: absolute;
    @include wh(2.6rem, 2rem);
        top: 2.2rem;
        left: 0.2rem;
        z-index: 10;
        animation: ellipse .6s infinite ease-in-out;
    }
</style>
